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  4. CONDENSING UNIT
  5. Installation & Service Reference

Goodman CONDENSING UNIT Installation & Service Reference

Manual is about: SINGLE / THREE PHASE HEAT PUMPS

Summary of CONDENSING UNIT

  • Page 1

    Condensing unit single / three phase heat pumps installation & service reference © 2010-2012 goodman manufacturing company, l.P. 5151 san felipe, suite 500, houston, tx 77056 www.Goodmanmfg.Com -or- www.Amana-hac.Com p/n: io-403d date: may 2012 notice this unit is shipped with a nitrogen/helium hold...

  • Page 2: Warning

    2 installation clearances special consideration must be given to location of the con- densing unit(s) in regard to structures, obstructions, other units, and any/all other factors that may interfere with air circulation. Where possible, the top of the unit should be completely unob- structed; howeve...

  • Page 3: Warning

    3 to avoid possible explosion, use only returnable (not disposable) service cylinders when removing refrig- erant from a system. • ensure the cylinder is free of damage which could lead to a leak or explosion. • ensure the hydrostatic test date does not exceed 5 years. • ensure the pressure rating m...

  • Page 4: Notice

    4 refrigerant line connections notice this unit is shipped with a nitrogen/helium holding charge only. Unit must be evacuated and charged per installation instructions with refrigerant listed on serial rating plate. Notice units shipped with a holding charge are intended for component replacement on...

  • Page 5: Notice

    5 notice units shipped with a holding charge are intended for component replacement only on existing systems, and not intended for use in new systems or newly constructed homes. Epa regulations prohibit the sale or distribution of appliances pre-charged with the refrigerant r-22 if those appliances ...

  • Page 6

    6 three phase compressor rotation use care when handling scroll compressors. Dome temp- eratures could be hot. Caution three phase compressors are power phase dependent and can rotate in either direction. Verify proper rotation for three phase compressors by ensuring the suction pressure drops and d...

  • Page 7: Notice

    7 possible refrigerant leak to avoid a possible refrigerant leak, open the service valves until the top of the stem is 1/8” from the retainer. Caution notice refrigerant must be added to the system after evacuation is complete. Refrigerant under pressure! • do not overcharge system with refrigerant....

  • Page 8

    8 suction pr essur e saturated suction temper ature ºf psig r-22 50 26 52 28 54 29 56 31 58 32 60 34 62 35 64 37 66 38 68 40 70 41 72 42 74 44 76 45 78 46 80 48 85 50 90 53 95 56 100 59 110 64 120 69 130 73 140 78 150 83 160 86 170 90 satu rated suc tion pressure temperature ch art liquid pressure s...

  • Page 9

    9 fixed orifice caution to prevent personal injury, carefully connect and disconnect manifold gauge hoses. Escaping liquid refrigerant can cause burns. Do not vent refrigerant into the atmosphere. Recover all refrigerant during system repair and before final unit disposal. 1. Purge gauge lines. Conn...

  • Page 10: Notice

    10 troubleshooting information for detailed service information refer to the remote condensing unit service manual. Complaint system operating pressures possible cause dots in analysis guide indicate "possible cause" sy mp to m s y s tem wi ll not s ta rt c o m p re s s o r w ill n o t s ta rt - fa ...

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  • Page 12: Split Systems

    12 split systems air conditioning and heat pump homeowner’s routine maintenance recommendations we strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. Replace or clean filter important note: never operate unit without ...

  • Page 13: Warning

    Important safety instructions the following symbols and labels are used throughout this manual to indicate immediate or potential safety hazards. It is the owner’s and installer’s responsibility to read and com- ply with all safety information and instructions accompanying these symbols. Failure to ...

  • Page 14

    2 operating the unit in a structure that is not complete (either as part of new construction or renovation) will void the war- ranty. Refer to the unit specification sheet for the recommended indoor model selection. Note: this unit must be used with a purchased single stage room thermostat with 24 v...

  • Page 15: Warning

    3 safe refrigerant handling while these items will not cover every conceivable situa- tion, they should serve as a useful guide. To avoid possible injury, explosion or death, practice safe handling of refrigerants. Warning to avoid possible explosion: never apply flame or steam to a refrigerant cyli...

  • Page 16: Notice

    4 refrigerant lines insulation is necessary to prevent condensation from forming and dropping from the suction line. Armflex ® (or satisfactory equivalent) with 3/8” min. Wall thickness is recommended. In severe conditions (hot, high humidity areas) 1/2” insulation may be required. Insulation must b...

  • Page 17: Warning

    5 note: before brazing, verify indoor piston size by checking the piston kit chart packaged with indoor unit. Leak testing (nitrogen or nitrogen-traced) to avoid the risk of fire or explosion, never use oxygen, high pressure air or flammable gases for leak testing of a refrigeration system. Warning ...

  • Page 18: Warning

    6 electrical connections high voltage! Disconnect all power before servicing. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death due to electric shock. Wiring must conform with nec or cec and all local codes. Undersized wires could cause poor ...

  • Page 19: Notice

    7 refer to the unit serial plate and this table for the maximum overcurrent protection permitted. Model *maximum fuse gsh100903 60 gsh100904 30 gsh101203 70 gsh101204 33 *fuse or hacr of same value run all line voltage wiring a conduit from the service discon- nect box to the unit. Refer to the nec ...

  • Page 20: Notice

    8 use refrigerant certified to ahri standards. Use of used refrigerant may cause compressor damage that is not covered under warranty. Most portable machines cannot clean used refrigerant to meet ahri standards. Caution notice violation of epa regulations may result in fines or other penalties. Oper...

  • Page 21

    9 during defrost the following actions occur: 1. The reversing valve is energized and the heat pump operates in the cooling mode. Note: a 30 second compressor delay at defrost initiation/ termination is optional. As shipped from the factory, the control is set for the delay (“dly”), which will turn ...

  • Page 22

    10 complaint probable cause remedy 1. Excessive charge of refrigerant in system. 1. Purge or pump-down excessive charge. 2. Inadequate supply of air across the condenser coil. 2. Make certain that coil is not fouled in any way, or that air is not re-circulating. 3. Non-condensate gases in the system...

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  • Page 24

    12 note: specifications and performance data listed herein are subject to change without notice © 2010-2012 goodman manufacturing company, l.P. • products • warranties • customer services quality makes the difference! All of our systems are designed and manufactured with the same high quality standa...